/* ddt_exchange - send/recv data described */
-/* Copyright (c) 2003 Olivier Aumage. */
-/* Copyright (c) 2003, 2004, 2005 Martin Quinson. */
-/* All rights reserved. */
+/* Copyright (c) 2003-2009 The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "xbt/ex.h"
#include "gras/DataDesc/datadesc_private.h"
-#include "gras/Transport/transport_interface.h" /* gras_trp_chunk_send/recv */
+#include "gras/Transport/transport_interface.h" /* gras_trp_send/recv */
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ddt_exchange,datadesc,
- "Sending data over the network");
-const char *gras_datadesc_cat_names[9] = {
- "undefined",
- "scalar", "struct", "union", "ref", "array", "ignored",
- "invalid"};
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_ddt_exchange,gras_ddt,
+ "Sending data over the network");
+const char *gras_datadesc_cat_names[9] = {
+ "undefined",
+ "scalar", "struct", "union", "ref", "array", "ignored",
+ "invalid"};
static gras_datadesc_type_t int_type = NULL;
-static gras_datadesc_type_t pointer_type = NULL;
-static _XBT_INLINE void gras_dd_send_int(gras_socket_t sock, int i);
-static _XBT_INLINE void gras_dd_recv_int(gras_socket_t sock, int r_arch, int *i);
-
-static _XBT_INLINE void
-gras_dd_alloc_ref(xbt_dict_t refs, long int size,
- char **r_ref, long int r_len,
- char **l_ref, int detect_cycle);
-
-static _XBT_INLINE int
-gras_dd_is_r_null(char **r_ptr, long int length);
-
-static _XBT_INLINE void
-gras_dd_send_int(gras_socket_t sock,int i) {
-
- if (!int_type) {
- int_type = gras_datadesc_by_name("int");
- xbt_assert(int_type);
- }
-
- DEBUG1("send_int(%d)",i);
- gras_trp_chunk_send(sock, (char*)&i, int_type->size[GRAS_THISARCH]);
+static gras_datadesc_type_t pointer_type = NULL;
+
+static XBT_INLINE void
+gras_dd_send_int(gras_socket_t sock, int *i, int stable) {
+
+ if (!int_type) {
+ int_type = gras_datadesc_by_name("int");
+ xbt_assert(int_type);
+ }
+
+ DEBUG1("send_int(%u)",*i);
+ gras_trp_send(sock, (char*)i, int_type->size[GRAS_THISARCH], stable);
}
-static _XBT_INLINE void
+static XBT_INLINE void
gras_dd_recv_int(gras_socket_t sock, int r_arch, int *i) {
- if (!int_type) {
- int_type = gras_datadesc_by_name("int");
- xbt_assert(int_type);
- }
-
- if (int_type->size[GRAS_THISARCH] >= int_type->size[r_arch]) {
- gras_trp_chunk_recv(sock, (char*)i, int_type->size[r_arch]);
- if (r_arch != GRAS_THISARCH)
- gras_dd_convert_elm(int_type,1,r_arch, i,i);
- } else {
- void *ptr = xbt_malloc(int_type->size[r_arch]);
-
- gras_trp_chunk_recv(sock, (char*)ptr, int_type->size[r_arch]);
- if (r_arch != GRAS_THISARCH)
- gras_dd_convert_elm(int_type,1,r_arch, ptr,i);
- free(ptr);
- }
- DEBUG1("recv_int(%d)",*i);
+ if (!int_type) {
+ int_type = gras_datadesc_by_name("int");
+ xbt_assert(int_type);
+ }
+
+ if (int_type->size[GRAS_THISARCH] >= int_type->size[r_arch]) {
+ gras_trp_recv(sock, (char*)i, int_type->size[r_arch]);
+ if (r_arch != GRAS_THISARCH)
+ gras_dd_convert_elm(int_type,1,r_arch, i,i);
+ } else {
+ void *ptr = xbt_malloc(int_type->size[r_arch]);
+
+ gras_trp_recv(sock, (char*)ptr, int_type->size[r_arch]);
+ if (r_arch != GRAS_THISARCH)
+ gras_dd_convert_elm(int_type,1,r_arch, ptr,i);
+ free(ptr);
+ }
+ DEBUG1("recv_int(%u)",*i);
}
/*
- * Note: here we suppose that the remote NULL is a sequence
+ * Note: here we suppose that the remote NULL is a sequence
* of 'length' bytes set to 0.
* FIXME: Check in configure?
*/
-static _XBT_INLINE int
+static XBT_INLINE int
gras_dd_is_r_null(char **r_ptr, long int length) {
- int i;
+ int i;
- for (i=0; i<length; i++) {
- if ( ((unsigned char*)r_ptr) [i]) {
- return 0;
- }
- }
+ for (i=0; i<length; i++) {
+ if ( ((unsigned char*)r_ptr) [i]) {
+ return 0;
+ }
+ }
- return 1;
+ return 1;
}
-static _XBT_INLINE void
+static XBT_INLINE void
gras_dd_alloc_ref(xbt_dict_t refs,
- long int size,
- char **r_ref,
- long int r_len, /* pointer_type->size[r_arch] */
- char **l_ref,
- int detect_cycle) {
- char *l_data = NULL;
-
- xbt_assert1(size>0,"Cannot allocate %ld bytes!", size);
- l_data = xbt_malloc((size_t)size);
-
- *l_ref = l_data;
- DEBUG5("alloc_ref: l_data=%p, &l_data=%p; r_ref=%p; *r_ref=%p, r_len=%ld",
- (void*)l_data,(void*)&l_data,
- (void*)r_ref, (void*)(r_ref?*r_ref:NULL), r_len);
- if (detect_cycle && r_ref && !gras_dd_is_r_null( r_ref, r_len)) {
- void *ptr = xbt_malloc(sizeof(void *));
-
- CRITICAL0("Check for cycles");
- memcpy(ptr,l_ref, sizeof(void *));
-
- DEBUG2("Insert l_ref=%p under r_ref=%p",*(void**)ptr, *(void**)r_ref);
-
- if (detect_cycle)
- xbt_dict_set_ext(refs,(const char *) r_ref, r_len, ptr, free);
- }
+ long int size,
+ char **r_ref,
+ long int r_len, /* pointer_type->size[r_arch] */
+ char **l_ref,
+ int detect_cycle) {
+ char *l_data = NULL;
+
+ xbt_assert1(size>0,"Cannot allocate %ld bytes!", size);
+ l_data = xbt_malloc((size_t)size);
+
+ *l_ref = l_data;
+ DEBUG5("alloc_ref: l_data=%p, &l_data=%p; r_ref=%p; *r_ref=%p, r_len=%ld",
+ (void*)l_data,(void*)&l_data,
+ (void*)r_ref, (void*)(r_ref?*r_ref:NULL), r_len);
+ if (detect_cycle && r_ref && !gras_dd_is_r_null( r_ref, r_len)) {
+ void *ptr = xbt_malloc(sizeof(void *));
+
+ memcpy(ptr,l_ref, sizeof(void *));
+
+ DEBUG2("Insert l_ref=%p under r_ref=%p",*(void**)ptr, *(void**)r_ref);
+
+ if (detect_cycle)
+ xbt_dict_set_ext(refs,(const char *) r_ref, r_len, ptr, xbt_free_f);
+ }
}
static int
-gras_datadesc_copy_rec(gras_cbps_t state,
- xbt_dict_t refs,
- gras_datadesc_type_t type,
- char *src,
- char *dst,
- int subsize,
- int detect_cycle) {
-
-
- xbt_ex_t e;
- int cpt;
- gras_datadesc_type_t sub_type; /* type on which we recurse */
- int count = 0;
-
- VERB4("Copy a %s (%s) from %p to %p",
- type->name, gras_datadesc_cat_names[type->category_code],
- src,dst);
-
- if (type->send) {
- type->send(type,state,src);
- }
-
- switch (type->category_code) {
- case e_gras_datadesc_type_cat_scalar:
- memcpy(dst,src,type->size[GRAS_THISARCH]);
- count += type->size[GRAS_THISARCH];
- break;
-
- case e_gras_datadesc_type_cat_struct: {
- gras_dd_cat_struct_t struct_data;
- gras_dd_cat_field_t field;
- char *field_src;
- char *field_dst;
-
- struct_data = type->category.struct_data;
- xbt_assert1(struct_data.closed,
- "Please call gras_datadesc_declare_struct_close on %s before copying it",
- type->name);
- VERB1(">> Copy all fields of the structure %s",type->name);
- xbt_dynar_foreach(struct_data.fields, cpt, field) {
- field_src = src + field->offset[GRAS_THISARCH];
- field_dst = dst + field->offset[GRAS_THISARCH];
-
- sub_type = field->type;
-
- if (field->send)
- field->send(type,state,field_src);
-
- VERB1("Copy field %s",field->name);
- count += gras_datadesc_copy_rec(state,refs,sub_type, field_src, field_dst, 0,
- detect_cycle || sub_type->cycle);
-
- }
- VERB1("<< Copied all fields of the structure %s", type->name);
-
- break;
- }
-
- case e_gras_datadesc_type_cat_union: {
- gras_dd_cat_union_t union_data;
- gras_dd_cat_field_t field=NULL;
- int field_num;
-
- union_data = type->category.union_data;
-
- xbt_assert1(union_data.closed,
- "Please call gras_datadesc_declare_union_close on %s before copying it",
- type->name);
- /* retrieve the field number */
- field_num = union_data.selector(type, state, src);
-
- xbt_assert1(field_num > 0,
- "union field selector of %s gave a negative value",
- type->name);
-
- xbt_assert3(field_num < xbt_dynar_length(union_data.fields),
- "union field selector of %s returned %d but there is only %lu fields",
- type->name, field_num, xbt_dynar_length(union_data.fields));
-
- /* Copy the content */
- field = xbt_dynar_get_as(union_data.fields, field_num, gras_dd_cat_field_t);
- sub_type = field->type;
-
- if (field->send)
- field->send(type,state,src);
-
- count += gras_datadesc_copy_rec(state,refs, sub_type, src, dst,0,
- detect_cycle || sub_type->cycle);
-
- break;
- }
-
- case e_gras_datadesc_type_cat_ref: {
- gras_dd_cat_ref_t ref_data;
- char **o_ref=NULL;
- char **n_ref=NULL;
- int reference_is_to_cpy;
-
- ref_data = type->category.ref_data;
-
- /* Detect the referenced type */
- sub_type = ref_data.type;
- if (sub_type == NULL) {
- sub_type = (*ref_data.selector)(type,state,src);
- }
-
- /* Send the pointed data only if not already sent */
- if (*(void**)src == NULL) {
- VERB0("Not copying NULL referenced data");
- *(void**)dst = NULL;
- break;
- }
- o_ref=(char**)src;
-
- reference_is_to_cpy = 0;
- TRY {
- if (detect_cycle)
- /* return ignored. Just checking whether it's known or not */
- n_ref=xbt_dict_get_ext(refs,(char*)o_ref, sizeof(char*));
- else
- reference_is_to_cpy = 1;
- } CATCH(e) {
- if (e.category != not_found_error)
- RETHROW;
- reference_is_to_cpy = 1;
- xbt_ex_free(e);
- }
-
- if (reference_is_to_cpy) {
- int subsubcount = 0;
- void *l_referenced=NULL;
- VERB2("Copy a ref to '%s' referenced at %p",sub_type->name, (void*)*o_ref);
-
- if (!pointer_type) {
- pointer_type = gras_datadesc_by_name("data pointer");
- xbt_assert(pointer_type);
- }
-
- if (sub_type->category_code == e_gras_datadesc_type_cat_array) {
- /* Damn. Reference to a dynamic array. Allocating the space for it
- is more complicated */
- gras_dd_cat_array_t array_data = sub_type->category.array_data;
- gras_datadesc_type_t subsub_type;
-
- subsub_type = array_data.type;
- subsubcount = array_data.fixed_size;
- if (subsubcount == 0)
- subsubcount = array_data.dynamic_size(subsub_type,state,*o_ref);
-
- gras_dd_alloc_ref(refs,
- subsub_type->size[GRAS_THISARCH] * subsubcount,
- o_ref,pointer_type->size[GRAS_THISARCH],
- (char**)&l_referenced,
- detect_cycle);
- } else {
- gras_dd_alloc_ref(refs,sub_type->size[GRAS_THISARCH],
- o_ref,pointer_type->size[GRAS_THISARCH],
- (char**)&l_referenced,
- detect_cycle);
- }
-
- count += gras_datadesc_copy_rec(state,refs, sub_type,
- *o_ref,(char*)l_referenced, subsubcount,
- detect_cycle || sub_type->cycle);
-
- *(void**)dst=l_referenced;
- VERB3("'%s' previously referenced at %p now at %p",
- sub_type->name, *(void**)o_ref, l_referenced);
-
- } else {
- VERB2("NOT copying data previously referenced @%p (already done, @%p now)",
- *(void**)o_ref, *(void**)n_ref);
-
- *(void**)dst=*n_ref;
-
- }
- break;
- }
-
- case e_gras_datadesc_type_cat_array: {
- gras_dd_cat_array_t array_data;
- long int count;
- char *src_ptr=src;
- char *dst_ptr=dst;
- long int elm_size;
-
- array_data = type->category.array_data;
-
- /* determine and send the element count */
- count = array_data.fixed_size;
- if (count == 0)
- count = subsize;
- if (count == 0) {
- count = array_data.dynamic_size(type,state,src);
- xbt_assert1(count >=0,
- "Invalid (negative) array size for type %s",type->name);
- }
-
- /* send the content */
- sub_type = array_data.type;
- elm_size = sub_type->aligned_size[GRAS_THISARCH];
- if (sub_type->category_code == e_gras_datadesc_type_cat_scalar) {
- VERB1("Array of %ld scalars, copy it in one shot",count);
- memcpy(dst, src, sub_type->aligned_size[GRAS_THISARCH] * count);
- count += sub_type->aligned_size[GRAS_THISARCH] * count;
- } else if (sub_type->category_code == e_gras_datadesc_type_cat_array &&
- sub_type->category.array_data.fixed_size > 0 &&
- sub_type->category.array_data.type->category_code == e_gras_datadesc_type_cat_scalar) {
-
- VERB1("Array of %ld fixed array of scalars, copy it in one shot",count);
- memcpy(dst,src,sub_type->category.array_data.type->aligned_size[GRAS_THISARCH]
- * count * sub_type->category.array_data.fixed_size);
- count += sub_type->category.array_data.type->aligned_size[GRAS_THISARCH]
- * count * sub_type->category.array_data.fixed_size;
-
- } else {
- for (cpt=0; cpt<count; cpt++) {
- count += gras_datadesc_copy_rec(state,refs, sub_type, src_ptr, dst_ptr, 0,
+gras_datadesc_memcpy_rec(gras_cbps_t state,
+ xbt_dict_t refs,
+ gras_datadesc_type_t type,
+ char *src,
+ char *dst,
+ int subsize,
+ int detect_cycle) {
+
+
+ xbt_ex_t e;
+ unsigned int cpt;
+ gras_datadesc_type_t sub_type; /* type on which we recurse */
+ int count = 0;
+
+ VERB5("Copy a %s (%s) from %p to %p (local sizeof=%ld)",
+ type->name, gras_datadesc_cat_names[type->category_code],
+ src,dst,type->size[GRAS_THISARCH]);
+
+ if (type->send) {
+ type->send(type,state,src);
+ }
+
+ switch (type->category_code) {
+ case e_gras_datadesc_type_cat_scalar:
+ memcpy(dst,src,type->size[GRAS_THISARCH]);
+ count += type->size[GRAS_THISARCH];
+ break;
+
+ case e_gras_datadesc_type_cat_struct: {
+ gras_dd_cat_struct_t struct_data;
+ gras_dd_cat_field_t field;
+ char *field_src;
+ char *field_dst;
+
+ struct_data = type->category.struct_data;
+ xbt_assert1(struct_data.closed,
+ "Please call gras_datadesc_declare_struct_close on %s before copying it",
+ type->name);
+ VERB1(">> Copy all fields of the structure %s",type->name);
+ xbt_dynar_foreach(struct_data.fields, cpt, field) {
+ field_src = src + field->offset[GRAS_THISARCH];
+ field_dst = dst + field->offset[GRAS_THISARCH];
+
+ sub_type = field->type;
+
+ if (field->send)
+ field->send(type,state,field_src);
+
+ DEBUG1("Copy field %s",field->name);
+ count += gras_datadesc_memcpy_rec(state,refs,sub_type, field_src, field_dst, 0,
detect_cycle || sub_type->cycle);
- src_ptr += elm_size;
- dst_ptr += elm_size;
- }
- }
- break;
- }
-
- default:
- xbt_assert0(0, "Invalid type");
- }
- return count;
+
+ if (XBT_LOG_ISENABLED(gras_ddt_exchange,xbt_log_priority_verbose)) {
+ if (sub_type == gras_datadesc_by_name("unsigned int")) {
+ VERB2("Copied value for field '%s': %d (type: unsigned int)",field->name, *(unsigned int*)field_dst);
+ } else if (sub_type == gras_datadesc_by_name("int")) {
+ VERB2("Copied value for field '%s': %d (type: int)",field->name, *(int*)field_dst);
+
+ } else if (sub_type == gras_datadesc_by_name("unsigned long int")) {
+ VERB2("Copied value for field '%s': %ld (type: unsigned long int)",field->name, *(unsigned long int*)field_dst);
+ } else if (sub_type == gras_datadesc_by_name("long int")) {
+ VERB2("Copied value for field '%s': %ld (type: long int)",field->name, *(long int*)field_dst);
+
+ } else if (sub_type == gras_datadesc_by_name("string")) {
+ VERB2("Copied value for field '%s': '%s' (type: string)", field->name, *(char**)field_dst);
+ } else {
+ VERB1("Copied a value for field '%s' (type not scalar?)", field->name);
+ }
+ }
+
+ }
+ VERB1("<< Copied all fields of the structure %s", type->name);
+
+ break;
+ }
+
+ case e_gras_datadesc_type_cat_union: {
+ gras_dd_cat_union_t union_data;
+ gras_dd_cat_field_t field=NULL;
+ unsigned int field_num;
+
+ union_data = type->category.union_data;
+
+ xbt_assert1(union_data.closed,
+ "Please call gras_datadesc_declare_union_close on %s before copying it",
+ type->name);
+ /* retrieve the field number */
+ field_num = union_data.selector(type, state, src);
+
+ xbt_assert1(field_num > 0,
+ "union field selector of %s gave a negative value",
+ type->name);
+
+ xbt_assert3(field_num < xbt_dynar_length(union_data.fields),
+ "union field selector of %s returned %d but there is only %lu fields",
+ type->name, field_num, xbt_dynar_length(union_data.fields));
+
+ /* Copy the content */
+ field = xbt_dynar_get_as(union_data.fields, field_num, gras_dd_cat_field_t);
+ sub_type = field->type;
+
+ if (field->send)
+ field->send(type,state,src);
+
+ count += gras_datadesc_memcpy_rec(state,refs, sub_type, src, dst,0,
+ detect_cycle || sub_type->cycle);
+
+ break;
+ }
+
+ case e_gras_datadesc_type_cat_ref: {
+ gras_dd_cat_ref_t ref_data;
+ char **o_ref=NULL;
+ char **n_ref=NULL;
+ int reference_is_to_cpy;
+
+ ref_data = type->category.ref_data;
+
+ /* Detect the referenced type */
+ sub_type = ref_data.type;
+ if (sub_type == NULL) {
+ sub_type = (*ref_data.selector)(type,state,src);
+ }
+
+ /* Send the pointed data only if not already sent */
+ if (*(void**)src == NULL) {
+ VERB0("Not copying NULL referenced data");
+ *(void**)dst = NULL;
+ break;
+ }
+ o_ref=(char**)src;
+
+ reference_is_to_cpy = 0;
+ TRY {
+ if (detect_cycle) {
+ /* return ignored. Just checking whether it's known or not */
+ n_ref=xbt_dict_get_ext(refs,(char*)o_ref, sizeof(char*));
+ } else {
+ reference_is_to_cpy = 1;
+ }
+ } CATCH(e) {
+ if (e.category != not_found_error)
+ RETHROW;
+ reference_is_to_cpy = 1;
+ xbt_ex_free(e);
+ }
+
+ if (reference_is_to_cpy) {
+ int subsubcount = -1;
+ void *l_referenced=NULL;
+ VERB2("Copy a ref to '%s' referenced at %p",sub_type->name, (void*)*o_ref);
+
+ if (!pointer_type) {
+ pointer_type = gras_datadesc_by_name("data pointer");
+ xbt_assert(pointer_type);
+ }
+
+ if (sub_type->category_code == e_gras_datadesc_type_cat_array) {
+ /* Damn. Reference to a dynamic array. Allocating the space for it is more complicated */
+ gras_dd_cat_array_t array_data = sub_type->category.array_data;
+ gras_datadesc_type_t subsub_type;
+
+ subsub_type = array_data.type;
+ subsubcount = array_data.fixed_size;
+ if (subsubcount == -1)
+ subsubcount = array_data.dynamic_size(subsub_type,state,*o_ref);
+
+ if (subsubcount != 0)
+ gras_dd_alloc_ref(refs,
+ subsub_type->size[GRAS_THISARCH] * subsubcount,
+ o_ref,pointer_type->size[GRAS_THISARCH],
+ (char**)&l_referenced,
+ detect_cycle);
+ } else {
+ gras_dd_alloc_ref(refs,sub_type->size[GRAS_THISARCH],
+ o_ref,pointer_type->size[GRAS_THISARCH],
+ (char**)&l_referenced,
+ detect_cycle);
+ }
+
+ count += gras_datadesc_memcpy_rec(state,refs, sub_type,
+ *o_ref,(char*)l_referenced, subsubcount,
+ detect_cycle || sub_type->cycle);
+
+ *(void**)dst=l_referenced;
+ VERB3("'%s' previously referenced at %p now at %p",
+ sub_type->name, *(void**)o_ref, l_referenced);
+
+ } else {
+ VERB2("NOT copying data previously referenced @%p (already done, @%p now)",
+ *(void**)o_ref, *(void**)n_ref);
+
+ *(void**)dst=*n_ref;
+
+ }
+ break;
+ }
+
+ case e_gras_datadesc_type_cat_array: {
+ gras_dd_cat_array_t array_data;
+ unsigned long int array_count;
+ char *src_ptr=src;
+ char *dst_ptr=dst;
+ long int elm_size;
+
+ array_data = type->category.array_data;
+
+ /* determine and send the element count */
+ array_count = array_data.fixed_size;
+ if (array_count == -1)
+ array_count = subsize;
+ if (array_count == -1) {
+ array_count = array_data.dynamic_size(type,state,src);
+ xbt_assert1(array_count >=0,
+ "Invalid (negative) array size for type %s",type->name);
+ }
+
+ /* send the content */
+ sub_type = array_data.type;
+ elm_size = sub_type->aligned_size[GRAS_THISARCH];
+ if (sub_type->category_code == e_gras_datadesc_type_cat_scalar) {
+ VERB1("Array of %ld scalars, copy it in one shot",array_count);
+ memcpy(dst, src, sub_type->aligned_size[GRAS_THISARCH] * array_count);
+ count += sub_type->aligned_size[GRAS_THISARCH] * array_count;
+ } else if (sub_type->category_code == e_gras_datadesc_type_cat_array &&
+ sub_type->category.array_data.fixed_size > 0 &&
+ sub_type->category.array_data.type->category_code == e_gras_datadesc_type_cat_scalar) {
+
+ VERB1("Array of %ld fixed array of scalars, copy it in one shot",
+ array_count);
+ memcpy(dst,src,sub_type->category.array_data.type->aligned_size[GRAS_THISARCH]
+ * array_count * sub_type->category.array_data.fixed_size);
+ count += sub_type->category.array_data.type->aligned_size[GRAS_THISARCH]
+ * array_count * sub_type->category.array_data.fixed_size;
+
+ } else {
+ VERB1("Array of %ld stuff, copy it in one after the other",array_count);
+ for (cpt=0; cpt<array_count; cpt++) {
+ VERB2("Copy the %dth stuff out of %ld",cpt,array_count);
+ count += gras_datadesc_memcpy_rec(state,refs, sub_type, src_ptr, dst_ptr, 0,
+ detect_cycle || sub_type->cycle);
+ src_ptr += elm_size;
+ dst_ptr += elm_size;
+ }
+ }
+ break;
+ }
+
+ default:
+ xbt_die("Invalid type");
+ }
+
+ return count;
}
/**
- * gras_datadesc_copy:
+ * gras_datadesc_memcpy:
*
- * Copy the data pointed by src and described by type
+ * Copy the data pointed by src and described by type
* to a new location, and store a pointer to it in dst.
*
*/
-int gras_datadesc_copy(gras_datadesc_type_t type,
- void *src, void *dst) {
- xbt_ex_t e;
- gras_cbps_t state;
- xbt_dict_t refs; /* all references already sent */
- int size=0;
-
- xbt_assert0(type,"called with NULL type descriptor");
-
- refs = xbt_dict_new();
- state = gras_cbps_new();
-
- TRY {
- size = gras_datadesc_copy_rec(state,refs,type,(char*)src,(char*)dst,0,
- type->cycle);
- } CLEANUP {
- xbt_dict_free(&refs);
- gras_cbps_free(&state);
- } CATCH(e) {
- RETHROW;
- }
- return size;
+int gras_datadesc_memcpy(gras_datadesc_type_t type,
+ void *src, void *dst) {
+ xbt_ex_t e;
+ static gras_cbps_t state=NULL;
+ static xbt_dict_t refs=NULL; /* all references already sent */
+ int size=0;
+
+ xbt_assert0(type,"called with NULL type descriptor");
+
+ DEBUG3("Memcopy a %s from %p to %p",gras_datadesc_get_name(type),src,dst);
+ if (!state) {
+ state = gras_cbps_new();
+ refs = xbt_dict_new();
+ }
+
+ TRY {
+ size = gras_datadesc_memcpy_rec(state,refs,type,(char*)src,(char*)dst,0,
+ type->cycle);
+ } CLEANUP {
+ xbt_dict_reset(refs);
+ gras_cbps_reset(state);
+ } CATCH(e) {
+ RETHROW;
+ }
+ return size;
}
/***
static void
gras_datadesc_send_rec(gras_socket_t sock,
- gras_cbps_t state,
- xbt_dict_t refs,
- gras_datadesc_type_t type,
- char *data,
- int detect_cycle) {
-
- xbt_ex_t e;
- int cpt;
- gras_datadesc_type_t sub_type; /* type on which we recurse */
-
- VERB2("Send a %s (%s)",
- type->name, gras_datadesc_cat_names[type->category_code]);
-
- if (type->send) {
- type->send(type,state,data);
- }
-
- switch (type->category_code) {
- case e_gras_datadesc_type_cat_scalar:
- gras_trp_chunk_send(sock, data, type->size[GRAS_THISARCH]);
- break;
-
- case e_gras_datadesc_type_cat_struct: {
- gras_dd_cat_struct_t struct_data;
- gras_dd_cat_field_t field;
- char *field_data;
-
- struct_data = type->category.struct_data;
- xbt_assert1(struct_data.closed,
- "Please call gras_datadesc_declare_struct_close on %s before sending it",
- type->name);
- VERB1(">> Send all fields of the structure %s",type->name);
- xbt_dynar_foreach(struct_data.fields, cpt, field) {
- field_data = data;
- field_data += field->offset[GRAS_THISARCH];
-
- sub_type = field->type;
-
- if (field->send)
- field->send(type,state,field_data);
-
- VERB1("Send field %s",field->name);
- gras_datadesc_send_rec(sock,state,refs,sub_type, field_data,
- detect_cycle || sub_type->cycle);
-
- }
- VERB1("<< Sent all fields of the structure %s", type->name);
-
- break;
- }
-
- case e_gras_datadesc_type_cat_union: {
- gras_dd_cat_union_t union_data;
- gras_dd_cat_field_t field=NULL;
- int field_num;
-
- union_data = type->category.union_data;
-
- xbt_assert1(union_data.closed,
- "Please call gras_datadesc_declare_union_close on %s before sending it",
- type->name);
- /* retrieve the field number */
- field_num = union_data.selector(type, state, data);
-
- xbt_assert1(field_num > 0,
- "union field selector of %s gave a negative value",
- type->name);
-
- xbt_assert3(field_num < xbt_dynar_length(union_data.fields),
- "union field selector of %s returned %d but there is only %lu fields",
- type->name, field_num, xbt_dynar_length(union_data.fields));
-
- /* Send the field number */
- gras_dd_send_int(sock, field_num);
-
- /* Send the content */
- field = xbt_dynar_get_as(union_data.fields, field_num, gras_dd_cat_field_t);
- sub_type = field->type;
-
- if (field->send)
- field->send(type,state,data);
-
- gras_datadesc_send_rec(sock,state,refs, sub_type, data,
- detect_cycle || sub_type->cycle);
-
- break;
- }
-
- case e_gras_datadesc_type_cat_ref: {
- gras_dd_cat_ref_t ref_data;
- void **ref=(void**)data;
- int reference_is_to_send;
-
- ref_data = type->category.ref_data;
-
- /* Detect the referenced type and send it to peer if needed */
- sub_type = ref_data.type;
- if (sub_type == NULL) {
- sub_type = (*ref_data.selector)(type,state,data);
- gras_dd_send_int(sock, sub_type->code);
- }
-
- /* Send the actual value of the pointer for cycle handling */
- if (!pointer_type) {
- pointer_type = gras_datadesc_by_name("data pointer");
- xbt_assert(pointer_type);
- }
-
- gras_trp_chunk_send(sock, (char*)data,
- pointer_type->size[GRAS_THISARCH]);
-
- /* Send the pointed data only if not already sent */
- if (*(void**)data == NULL) {
- VERB0("Not sending NULL referenced data");
- break;
- }
-
- reference_is_to_send = 0;
- TRY {
- if (detect_cycle)
- /* return ignored. Just checking whether it's known or not */
- xbt_dict_get_ext(refs,(char*)ref, sizeof(char*));
- else
- reference_is_to_send = 1;
- } CATCH(e) {
- if (e.category != not_found_error)
- RETHROW;
- reference_is_to_send = 1;
- xbt_ex_free(e);
- }
-
- if (reference_is_to_send) {
- VERB1("Sending data referenced at %p", (void*)*ref);
- if (detect_cycle)
- xbt_dict_set_ext(refs, (char*)ref, sizeof(void*), ref, NULL);
- gras_datadesc_send_rec(sock,state,refs, sub_type, *ref,
- detect_cycle || sub_type->cycle);
-
- } else {
- VERB1("Not sending data referenced at %p (already done)", (void*)*ref);
- }
-
- break;
- }
-
- case e_gras_datadesc_type_cat_array: {
- gras_dd_cat_array_t array_data;
- long int count;
- char *ptr=data;
- long int elm_size;
-
- array_data = type->category.array_data;
-
- /* determine and send the element count */
- count = array_data.fixed_size;
- if (count == 0) {
- count = array_data.dynamic_size(type,state,data);
- xbt_assert1(count >=0,
- "Invalid (negative) array size for type %s",type->name);
- gras_dd_send_int(sock, count);
- }
-
- /* send the content */
- sub_type = array_data.type;
- elm_size = sub_type->aligned_size[GRAS_THISARCH];
- if (sub_type->category_code == e_gras_datadesc_type_cat_scalar) {
- VERB1("Array of %ld scalars, send it in one shot",count);
- gras_trp_chunk_send(sock, data,
- sub_type->aligned_size[GRAS_THISARCH] * count);
- } else if (sub_type->category_code == e_gras_datadesc_type_cat_array &&
- sub_type->category.array_data.fixed_size > 0 &&
- sub_type->category.array_data.type->category_code == e_gras_datadesc_type_cat_scalar) {
-
- VERB1("Array of %ld fixed array of scalars, send it in one shot",count);
- gras_trp_chunk_send(sock, data,
- sub_type->category.array_data.type->aligned_size[GRAS_THISARCH]
- * count * sub_type->category.array_data.fixed_size);
-
- } else {
- for (cpt=0; cpt<count; cpt++) {
- gras_datadesc_send_rec(sock,state,refs, sub_type, ptr,
- detect_cycle || sub_type->cycle);
- ptr += elm_size;
- }
- }
- break;
- }
-
- default:
- xbt_assert0(0, "Invalid type");
- }
+ gras_cbps_t state,
+ xbt_dict_t refs,
+ gras_datadesc_type_t type,
+ char *data,
+ int detect_cycle) {
+
+ xbt_ex_t e;
+ unsigned int cpt;
+ gras_datadesc_type_t sub_type; /* type on which we recurse */
+
+ VERB2("Send a %s (%s)",
+ type->name, gras_datadesc_cat_names[type->category_code]);
+
+ if (!strcmp(type->name,"string"))
+ VERB1("value: '%s'",*(char**)data);
+
+ if (type->send) {
+ type->send(type,state,data);
+ DEBUG0("Run the emission callback");
+ }
+
+ switch (type->category_code) {
+ case e_gras_datadesc_type_cat_scalar:
+ gras_trp_send(sock, data, type->size[GRAS_THISARCH], 1);
+ break;
+
+ case e_gras_datadesc_type_cat_struct: {
+ gras_dd_cat_struct_t struct_data;
+ gras_dd_cat_field_t field;
+ char *field_data;
+
+ struct_data = type->category.struct_data;
+ xbt_assert1(struct_data.closed,
+ "Please call gras_datadesc_declare_struct_close on %s before sending it",
+ type->name);
+ VERB1(">> Send all fields of the structure %s",type->name);
+ xbt_dynar_foreach(struct_data.fields, cpt, field) {
+ field_data = data;
+ field_data += field->offset[GRAS_THISARCH];
+
+ sub_type = field->type;
+
+ if (field->send) {
+ DEBUG1("Run the emission callback of field %s", field->name);
+ field->send(type,state,field_data);
+ }
+
+ VERB1("Send field %s",field->name);
+ gras_datadesc_send_rec(sock,state,refs,sub_type, field_data,
+ detect_cycle || sub_type->cycle);
+
+ }
+ VERB1("<< Sent all fields of the structure %s", type->name);
+
+ break;
+ }
+
+ case e_gras_datadesc_type_cat_union: {
+ gras_dd_cat_union_t union_data;
+ gras_dd_cat_field_t field=NULL;
+ int field_num;
+
+ union_data = type->category.union_data;
+
+ xbt_assert1(union_data.closed,
+ "Please call gras_datadesc_declare_union_close on %s before sending it",
+ type->name);
+ /* retrieve the field number */
+ field_num = union_data.selector(type, state, data);
+
+ xbt_assert1(field_num > 0,
+ "union field selector of %s gave a negative value",
+ type->name);
+
+ xbt_assert3(field_num < xbt_dynar_length(union_data.fields),
+ "union field selector of %s returned %d but there is only %lu fields",
+ type->name, field_num, xbt_dynar_length(union_data.fields));
+
+ /* Send the field number */
+ gras_dd_send_int(sock, &field_num, 0 /* not stable */);
+
+ /* Send the content */
+ field = xbt_dynar_get_as(union_data.fields, field_num, gras_dd_cat_field_t);
+ sub_type = field->type;
+
+ if (field->send)
+ field->send(type,state,data);
+
+ gras_datadesc_send_rec(sock,state,refs, sub_type, data,
+ detect_cycle || sub_type->cycle);
+
+ break;
+ }
+
+ case e_gras_datadesc_type_cat_ref: {
+ gras_dd_cat_ref_t ref_data;
+ void **ref=(void**)data;
+ int reference_is_to_send;
+
+ ref_data = type->category.ref_data;
+
+ /* Detect the referenced type and send it to peer if needed */
+ sub_type = ref_data.type;
+ if (sub_type == NULL) {
+ sub_type = (*ref_data.selector)(type,state,data);
+ gras_dd_send_int(sock, &(sub_type->code),1 /*stable*/);
+ }
+
+ /* Send the actual value of the pointer for cycle handling */
+ if (!pointer_type) {
+ pointer_type = gras_datadesc_by_name("data pointer");
+ xbt_assert(pointer_type);
+ }
+
+ gras_trp_send(sock, (char*)data,
+ pointer_type->size[GRAS_THISARCH], 1 /*stable*/);
+
+ /* Send the pointed data only if not already sent */
+ if (*(void**)data == NULL) {
+ VERB0("Not sending NULL referenced data");
+ break;
+ }
+
+ reference_is_to_send = 0;
+ TRY {
+ if (detect_cycle)
+ /* return ignored. Just checking whether it's known or not */
+ xbt_dict_get_ext(refs,(char*)ref, sizeof(char*));
+ else
+ reference_is_to_send = 1;
+ } CATCH(e) {
+ if (e.category != not_found_error)
+ RETHROW;
+ reference_is_to_send = 1;
+ xbt_ex_free(e);
+ }
+
+ if (reference_is_to_send) {
+ VERB1("Sending data referenced at %p", (void*)*ref);
+ if (detect_cycle)
+ xbt_dict_set_ext(refs, (char*)ref, sizeof(void*), ref, NULL);
+ gras_datadesc_send_rec(sock,state,refs, sub_type, *ref,
+ detect_cycle || sub_type->cycle);
+
+ } else {
+ VERB1("Not sending data referenced at %p (already done)", (void*)*ref);
+ }
+
+ break;
+ }
+
+ case e_gras_datadesc_type_cat_array: {
+ gras_dd_cat_array_t array_data;
+ int count;
+ char *ptr=data;
+ long int elm_size;
+
+ array_data = type->category.array_data;
+
+ /* determine and send the element count */
+ count = array_data.fixed_size;
+ if (count == -1) {
+ count = array_data.dynamic_size(type,state,data);
+ xbt_assert1(count >=0,
+ "Invalid (negative) array size for type %s",type->name);
+ gras_dd_send_int(sock, &count, 0/*non-stable*/);
+ }
+
+ /* send the content */
+ sub_type = array_data.type;
+ elm_size = sub_type->aligned_size[GRAS_THISARCH];
+ if (sub_type->category_code == e_gras_datadesc_type_cat_scalar) {
+ VERB1("Array of %d scalars, send it in one shot",count);
+ gras_trp_send(sock, data,
+ sub_type->aligned_size[GRAS_THISARCH] * count,
+ 0 /* not stable */);
+ } else if (sub_type->category_code == e_gras_datadesc_type_cat_array &&
+ sub_type->category.array_data.fixed_size > 0 &&
+ sub_type->category.array_data.type->category_code == e_gras_datadesc_type_cat_scalar) {
+
+ VERB1("Array of %d fixed array of scalars, send it in one shot",count);
+ gras_trp_send(sock, data,
+ sub_type->category.array_data.type->aligned_size[GRAS_THISARCH]
+ * count * sub_type->category.array_data.fixed_size,
+ 0 /* not stable */);
+
+ } else {
+ for (cpt=0; cpt<count; cpt++) {
+ gras_datadesc_send_rec(sock,state,refs, sub_type, ptr,
+ detect_cycle || sub_type->cycle);
+ ptr += elm_size;
+ }
+ }
+ break;
+ }
+
+ default:
+ xbt_die("Invalid type");
+ }
}
/**
* Copy the data pointed by src and described by type to the socket
*
*/
-void gras_datadesc_send(gras_socket_t sock,
- gras_datadesc_type_t type,
- void *src) {
-
- xbt_ex_t e;
- gras_cbps_t state;
- xbt_dict_t refs; /* all references already sent */
-
- xbt_assert0(type,"called with NULL type descriptor");
-
- refs = xbt_dict_new();
- state = gras_cbps_new();
-
- TRY {
- gras_datadesc_send_rec(sock,state,refs,type,(char*)src, type->cycle);
- } CLEANUP {
- xbt_dict_free(&refs);
- gras_cbps_free(&state);
- } CATCH(e) {
- RETHROW;
- }
+void gras_datadesc_send(gras_socket_t sock,
+ gras_datadesc_type_t type,
+ void *src) {
+
+ xbt_ex_t e;
+ static gras_cbps_t state=NULL;
+ static xbt_dict_t refs=NULL; /* all references already sent */
+
+ xbt_assert0(type,"called with NULL type descriptor");
+
+ if (!state) {
+ state = gras_cbps_new();
+ refs = xbt_dict_new();
+ }
+
+ TRY {
+ gras_datadesc_send_rec(sock,state,refs,type,(char*)src, type->cycle);
+ } CLEANUP {
+ xbt_dict_reset(refs);
+ gras_cbps_reset(state);
+ } CATCH(e) {
+ RETHROW;
+ }
}
/**
* Do the data reception job recursively.
*
* subsize used only to deal with vicious case of reference to dynamic array.
- * This size is needed at the reference reception level (to allocate enough
- * space) and at the array reception level (to fill enough room).
- *
+ * This size is needed at the reference reception level (to allocate enough
+ * space) and at the array reception level (to fill enough room).
+ *
* Having this size passed as an argument of the recursive function is a crude
* hack, but I was told that working code is sometimes better than neat one ;)
*/
static void
-gras_datadesc_recv_rec(gras_socket_t sock,
- gras_cbps_t state,
- xbt_dict_t refs,
- gras_datadesc_type_t type,
- int r_arch,
- char **r_data,
- long int r_lgr,
- char *l_data,
- int subsize,
- int detect_cycle) {
-
- int cpt;
- gras_datadesc_type_t sub_type;
- xbt_ex_t e;
-
- VERB2("Recv a %s @%p", type->name, (void*)l_data);
- xbt_assert(l_data);
-
- switch (type->category_code) {
- case e_gras_datadesc_type_cat_scalar:
- if (type->size[GRAS_THISARCH] == type->size[r_arch]) {
- gras_trp_chunk_recv(sock, (char*)l_data, type->size[r_arch]);
- if (r_arch != GRAS_THISARCH)
- gras_dd_convert_elm(type,1,r_arch, l_data,l_data);
- } else {
- void *ptr = xbt_malloc(type->size[r_arch]);
-
- gras_trp_chunk_recv(sock, (char*)ptr, type->size[r_arch]);
- if (r_arch != GRAS_THISARCH)
- gras_dd_convert_elm(type,1,r_arch, ptr,l_data);
- free(ptr);
- }
- break;
-
- case e_gras_datadesc_type_cat_struct: {
- gras_dd_cat_struct_t struct_data;
- gras_dd_cat_field_t field;
-
- struct_data = type->category.struct_data;
-
- xbt_assert1(struct_data.closed,
- "Please call gras_datadesc_declare_struct_close on %s before receiving it",
- type->name);
- VERB1(">> Receive all fields of the structure %s",type->name);
- xbt_dynar_foreach(struct_data.fields, cpt, field) {
- char *field_data = l_data + field->offset[GRAS_THISARCH];
-
- sub_type = field->type;
-
- gras_datadesc_recv_rec(sock,state,refs, sub_type,
- r_arch,NULL,0,
- field_data,-1,
- detect_cycle || sub_type->cycle);
-
- if (field->recv)
- field->recv(type,state,(void*)l_data);
-
- }
- VERB1("<< Received all fields of the structure %s", type->name);
-
- break;
- }
-
- case e_gras_datadesc_type_cat_union: {
- gras_dd_cat_union_t union_data;
- gras_dd_cat_field_t field=NULL;
- int field_num;
-
- union_data = type->category.union_data;
-
- xbt_assert1(union_data.closed,
- "Please call gras_datadesc_declare_union_close on %s before receiving it",
- type->name);
- /* retrieve the field number */
- gras_dd_recv_int(sock, r_arch, &field_num);
- if (field_num < 0)
- THROW1(mismatch_error,0,
- "Received union field for %s is negative", type->name);
- if (field_num > xbt_dynar_length(union_data.fields))
- THROW3(mismatch_error,0,
- "Received union field for %s is said to be #%d but there is only %lu fields",
- type->name, field_num, xbt_dynar_length(union_data.fields));
-
- /* Recv the content */
- field = xbt_dynar_get_as(union_data.fields, field_num, gras_dd_cat_field_t);
- sub_type = field->type;
-
- gras_datadesc_recv_rec(sock,state,refs, sub_type,
- r_arch,NULL,0,
- l_data,-1,
- detect_cycle || sub_type->cycle);
- if (field->recv)
- field->recv(type,state,l_data);
-
- break;
- }
-
- case e_gras_datadesc_type_cat_ref: {
- char **r_ref = NULL;
- char **l_ref = NULL;
- gras_dd_cat_ref_t ref_data;
- int reference_is_to_recv = 0;
-
- ref_data = type->category.ref_data;
-
- /* Get the referenced type locally or from peer */
- sub_type = ref_data.type;
- if (sub_type == NULL) {
- int ref_code;
- gras_dd_recv_int(sock, r_arch, &ref_code);
- sub_type = gras_datadesc_by_id(ref_code);
- }
-
- /* Get the actual value of the pointer for cycle handling */
- if (!pointer_type) {
- pointer_type = gras_datadesc_by_name("data pointer");
- xbt_assert(pointer_type);
- }
-
- r_ref = xbt_malloc(pointer_type->size[r_arch]);
-
- gras_trp_chunk_recv(sock, (char*)r_ref,
- pointer_type->size[r_arch]);
-
- /* Receive the pointed data only if not already sent */
- if (gras_dd_is_r_null(r_ref, pointer_type->size[r_arch])) {
- VERB1("Not receiving data remotely referenced @%p since it's NULL",
- *(void **)r_ref);
- *(void**)l_data = NULL;
- free(r_ref);
- break;
- }
-
- reference_is_to_recv = 0;
- TRY {
- if (detect_cycle)
- l_ref = xbt_dict_get_ext(refs, (char*)r_ref, pointer_type->size[r_arch]);
- else
- reference_is_to_recv = 1;
- } CATCH(e) {
- if (e.category != not_found_error)
- RETHROW;
- reference_is_to_recv = 1;
- xbt_ex_free(e);
- }
- if (reference_is_to_recv) {
- int subsubcount = 0;
- void *l_referenced=NULL;
-
- VERB2("Receiving a ref to '%s', remotely @%p",
- sub_type->name, *(void**)r_ref);
- if (sub_type->category_code == e_gras_datadesc_type_cat_array) {
- /* Damn. Reference to a dynamic array. Allocating the space for it
- is more complicated */
- gras_dd_cat_array_t array_data = sub_type->category.array_data;
- gras_datadesc_type_t subsub_type;
-
- subsubcount = array_data.fixed_size;
- if (subsubcount == 0)
- gras_dd_recv_int(sock, r_arch, &subsubcount);
-
- subsub_type = array_data.type;
-
-
- gras_dd_alloc_ref(refs,
- subsub_type->size[GRAS_THISARCH] * subsubcount,
- r_ref,pointer_type->size[r_arch],
- (char**)&l_referenced,
- detect_cycle);
- } else {
- gras_dd_alloc_ref(refs,sub_type->size[GRAS_THISARCH],
- r_ref,pointer_type->size[r_arch],
- (char**)&l_referenced,
- detect_cycle);
- }
-
- gras_datadesc_recv_rec(sock,state,refs, sub_type,
- r_arch,r_ref,pointer_type->size[r_arch],
- (char*)l_referenced, subsubcount,
- detect_cycle || sub_type->cycle);
-
- *(void**)l_data=l_referenced;
- VERB3("'%s' remotely referenced at %p locally at %p",
- sub_type->name, *(void**)r_ref, l_referenced);
-
- } else {
- VERB2("NOT receiving data remotely referenced @%p (already done, @%p here)",
- *(void**)r_ref, *(void**)l_ref);
-
- *(void**)l_data=*l_ref;
-
- }
- free(r_ref);
- break;
- }
-
- case e_gras_datadesc_type_cat_array: {
- gras_dd_cat_array_t array_data;
- int count;
- char *ptr;
- long int elm_size;
-
- array_data = type->category.array_data;
- /* determine element count locally, or from caller, or from peer */
- count = array_data.fixed_size;
- if (count == 0)
- count = subsize;
- if (count == 0)
- gras_dd_recv_int(sock, r_arch, &count);
- if (count == 0)
- THROW1(mismatch_error,0,
- "Invalid (=0) array size for type %s",type->name);
-
- /* receive the content */
- sub_type = array_data.type;
- if (sub_type->category_code == e_gras_datadesc_type_cat_scalar) {
- VERB1("Array of %d scalars, get it in one shoot", count);
- if (sub_type->aligned_size[GRAS_THISARCH] >=
- sub_type->aligned_size[r_arch]) {
- gras_trp_chunk_recv(sock, (char*)l_data,
- sub_type->aligned_size[r_arch] * count);
- if (r_arch != GRAS_THISARCH)
- gras_dd_convert_elm(sub_type,count,r_arch, l_data,l_data);
- } else {
- ptr = xbt_malloc(sub_type->aligned_size[r_arch] * count);
-
- gras_trp_chunk_recv(sock, (char*)ptr,
- sub_type->size[r_arch] * count);
- if (r_arch != GRAS_THISARCH)
- gras_dd_convert_elm(sub_type,count,r_arch, ptr,l_data);
- free(ptr);
- }
- } else if (sub_type->category_code == e_gras_datadesc_type_cat_array &&
- sub_type->category.array_data.fixed_size > 0 &&
- sub_type->category.array_data.type->category_code == e_gras_datadesc_type_cat_scalar) {
- gras_datadesc_type_t subsub_type;
- array_data = sub_type->category.array_data;
- subsub_type = array_data.type;
-
- VERB1("Array of %d fixed array of scalars, get it in one shot",count);
- if (subsub_type->aligned_size[GRAS_THISARCH] >=
- subsub_type->aligned_size[r_arch]) {
- gras_trp_chunk_recv(sock, (char*)l_data,
- subsub_type->aligned_size[r_arch] * count *
- array_data.fixed_size);
- if (r_arch != GRAS_THISARCH)
- gras_dd_convert_elm(subsub_type,count*array_data.fixed_size,r_arch, l_data,l_data);
- } else {
- ptr = xbt_malloc(subsub_type->aligned_size[r_arch] * count*array_data.fixed_size);
-
- gras_trp_chunk_recv(sock, (char*)ptr,
- subsub_type->size[r_arch] * count*array_data.fixed_size);
- if (r_arch != GRAS_THISARCH)
- gras_dd_convert_elm(subsub_type,count*array_data.fixed_size,r_arch, ptr,l_data);
- free(ptr);
- }
-
-
- } else {
- /* not scalar content, get it recursively (may contain pointers) */
- elm_size = sub_type->aligned_size[GRAS_THISARCH];
- VERB2("Receive a %d-long array of %s",count, sub_type->name);
-
- ptr = l_data;
- for (cpt=0; cpt<count; cpt++) {
- gras_datadesc_recv_rec(sock,state,refs, sub_type,
- r_arch, NULL, 0, ptr,-1,
- detect_cycle || sub_type->cycle);
-
- ptr += elm_size;
- }
- }
- break;
- }
-
- default:
- xbt_assert0(0, "Invalid type");
- }
-
- if (type->recv)
- type->recv(type,state,l_data);
+gras_datadesc_recv_rec(gras_socket_t sock,
+ gras_cbps_t state,
+ xbt_dict_t refs,
+ gras_datadesc_type_t type,
+ int r_arch,
+ char **r_data,
+ long int r_lgr,
+ char *l_data,
+ int subsize,
+ int detect_cycle) {
+
+ unsigned int cpt;
+ gras_datadesc_type_t sub_type;
+ xbt_ex_t e;
+
+ VERB2("Recv a %s @%p", type->name, (void*)l_data);
+ xbt_assert(l_data);
+
+ switch (type->category_code) {
+ case e_gras_datadesc_type_cat_scalar:
+ if (type->size[GRAS_THISARCH] == type->size[r_arch]) {
+ gras_trp_recv(sock, (char*)l_data, type->size[r_arch]);
+ if (r_arch != GRAS_THISARCH)
+ gras_dd_convert_elm(type,1,r_arch, l_data,l_data);
+ } else {
+ void *ptr = xbt_malloc(type->size[r_arch]);
+
+ gras_trp_recv(sock, (char*)ptr, type->size[r_arch]);
+ if (r_arch != GRAS_THISARCH)
+ gras_dd_convert_elm(type,1,r_arch, ptr,l_data);
+ free(ptr);
+ }
+ break;
+
+ case e_gras_datadesc_type_cat_struct: {
+ gras_dd_cat_struct_t struct_data;
+ gras_dd_cat_field_t field;
+
+ struct_data = type->category.struct_data;
+
+ xbt_assert1(struct_data.closed,
+ "Please call gras_datadesc_declare_struct_close on %s before receiving it",
+ type->name);
+ VERB1(">> Receive all fields of the structure %s",type->name);
+ xbt_dynar_foreach(struct_data.fields, cpt, field) {
+ char *field_data = l_data + field->offset[GRAS_THISARCH];
+
+ sub_type = field->type;
+
+ gras_datadesc_recv_rec(sock,state,refs, sub_type,
+ r_arch,NULL,0,
+ field_data,-1,
+ detect_cycle || sub_type->cycle);
+
+ if (field->recv) {
+ DEBUG1("Run the reception callback of field %s", field->name);
+ field->recv(type,state,(void*)l_data);
+ }
+
+ }
+ VERB1("<< Received all fields of the structure %s", type->name);
+
+ break;
+ }
+
+ case e_gras_datadesc_type_cat_union: {
+ gras_dd_cat_union_t union_data;
+ gras_dd_cat_field_t field=NULL;
+ int field_num;
+
+ union_data = type->category.union_data;
+
+ xbt_assert1(union_data.closed,
+ "Please call gras_datadesc_declare_union_close on %s before receiving it",
+ type->name);
+ /* retrieve the field number */
+ gras_dd_recv_int(sock, r_arch, &field_num);
+ if (field_num < 0)
+ THROW1(mismatch_error,0,
+ "Received union field for %s is negative", type->name);
+ if (field_num > xbt_dynar_length(union_data.fields))
+ THROW3(mismatch_error,0,
+ "Received union field for %s is said to be #%d but there is only %lu fields",
+ type->name, field_num, xbt_dynar_length(union_data.fields));
+
+ /* Recv the content */
+ field = xbt_dynar_get_as(union_data.fields, field_num, gras_dd_cat_field_t);
+ sub_type = field->type;
+
+ gras_datadesc_recv_rec(sock,state,refs, sub_type,
+ r_arch,NULL,0,
+ l_data,-1,
+ detect_cycle || sub_type->cycle);
+ if (field->recv)
+ field->recv(type,state,l_data);
+
+ break;
+ }
+
+ case e_gras_datadesc_type_cat_ref: {
+ char **r_ref = NULL;
+ char **l_ref = NULL;
+ gras_dd_cat_ref_t ref_data;
+ int reference_is_to_recv = 0;
+
+ ref_data = type->category.ref_data;
+
+ /* Get the referenced type locally or from peer */
+ sub_type = ref_data.type;
+ if (sub_type == NULL) {
+ int ref_code;
+ gras_dd_recv_int(sock, r_arch, &ref_code);
+ sub_type = gras_datadesc_by_id(ref_code);
+ }
+
+ /* Get the actual value of the pointer for cycle handling */
+ if (!pointer_type) {
+ pointer_type = gras_datadesc_by_name("data pointer");
+ xbt_assert(pointer_type);
+ }
+
+ r_ref = xbt_malloc(pointer_type->size[r_arch]);
+
+ gras_trp_recv(sock, (char*)r_ref,
+ pointer_type->size[r_arch]);
+
+ /* Receive the pointed data only if not already sent */
+ if (gras_dd_is_r_null(r_ref, pointer_type->size[r_arch])) {
+ VERB1("Not receiving data remotely referenced @%p since it's NULL",
+ *(void **)r_ref);
+ *(void**)l_data = NULL;
+ free(r_ref);
+ break;
+ }
+
+ reference_is_to_recv = 0;
+ TRY {
+ if (detect_cycle) {
+ l_ref = xbt_dict_get_ext(refs, (char*)r_ref, pointer_type->size[r_arch]);
+ } else {
+ reference_is_to_recv = 1;
+ }
+ } CATCH(e) {
+ if (e.category != not_found_error)
+ RETHROW;
+ reference_is_to_recv = 1;
+ xbt_ex_free(e);
+ }
+
+ if (reference_is_to_recv) {
+ int subsubcount = -1;
+ void *l_referenced=NULL;
+
+ VERB2("Receiving a ref to '%s', remotely @%p",
+ sub_type->name, *(void**)r_ref);
+ if (sub_type->category_code == e_gras_datadesc_type_cat_array) {
+ /* Damn. Reference to a dynamic array. Allocating the space for it is more complicated */
+ gras_dd_cat_array_t array_data = sub_type->category.array_data;
+ gras_datadesc_type_t subsub_type;
+
+ subsubcount = array_data.fixed_size;
+ if (subsubcount == -1)
+ gras_dd_recv_int(sock, r_arch, &subsubcount);
+
+ subsub_type = array_data.type;
+
+ if (subsubcount != 0)
+ gras_dd_alloc_ref(refs,
+ subsub_type->size[GRAS_THISARCH] * subsubcount,
+ r_ref,pointer_type->size[r_arch],
+ (char**)&l_referenced,
+ detect_cycle);
+ else
+ l_referenced = NULL;
+ } else {
+ gras_dd_alloc_ref(refs,sub_type->size[GRAS_THISARCH],
+ r_ref,pointer_type->size[r_arch],
+ (char**)&l_referenced,
+ detect_cycle);
+ }
+
+ if (l_referenced != NULL)
+ gras_datadesc_recv_rec(sock,state,refs, sub_type,
+ r_arch,r_ref,pointer_type->size[r_arch],
+ (char*)l_referenced, subsubcount,
+ detect_cycle || sub_type->cycle);
+
+ *(void**)l_data=l_referenced;
+ VERB3("'%s' remotely referenced at %p locally at %p",
+ sub_type->name, *(void**)r_ref, l_referenced);
+
+ } else {
+ VERB2("NOT receiving data remotely referenced @%p (already done, @%p here)",
+ *(void**)r_ref, *(void**)l_ref);
+
+ *(void**)l_data=*l_ref;
+
+ }
+ free(r_ref);
+ break;
+ }
+
+ case e_gras_datadesc_type_cat_array: {
+ gras_dd_cat_array_t array_data;
+ int count;
+ char *ptr;
+ long int elm_size;
+
+ array_data = type->category.array_data;
+ /* determine element count locally, or from caller, or from peer */
+ count = array_data.fixed_size;
+ if (count == -1)
+ count = subsize;
+ if (count == -1)
+ gras_dd_recv_int(sock, r_arch, &count);
+ if (count == -1)
+ THROW1(mismatch_error,0,
+ "Invalid (=-1) array size for type %s",type->name);
+
+ /* receive the content */
+ sub_type = array_data.type;
+ if (sub_type->category_code == e_gras_datadesc_type_cat_scalar) {
+ VERB1("Array of %d scalars, get it in one shoot", count);
+ if (sub_type->aligned_size[GRAS_THISARCH] >=
+ sub_type->aligned_size[r_arch]) {
+ gras_trp_recv(sock, (char*)l_data,
+ sub_type->aligned_size[r_arch] * count);
+ if (r_arch != GRAS_THISARCH)
+ gras_dd_convert_elm(sub_type,count,r_arch, l_data,l_data);
+ } else {
+ ptr = xbt_malloc(sub_type->aligned_size[r_arch] * count);
+
+ gras_trp_recv(sock, (char*)ptr,
+ sub_type->size[r_arch] * count);
+ if (r_arch != GRAS_THISARCH)
+ gras_dd_convert_elm(sub_type,count,r_arch, ptr,l_data);
+ free(ptr);
+ }
+ } else if (sub_type->category_code == e_gras_datadesc_type_cat_array &&
+ sub_type->category.array_data.fixed_size >= 0 &&
+ sub_type->category.array_data.type->category_code == e_gras_datadesc_type_cat_scalar) {
+ gras_datadesc_type_t subsub_type;
+ array_data = sub_type->category.array_data;
+ subsub_type = array_data.type;
+
+ VERB1("Array of %d fixed array of scalars, get it in one shot",count);
+ if (subsub_type->aligned_size[GRAS_THISARCH] >=
+ subsub_type->aligned_size[r_arch]) {
+ gras_trp_recv(sock, (char*)l_data,
+ subsub_type->aligned_size[r_arch] * count *
+ array_data.fixed_size);
+ if (r_arch != GRAS_THISARCH)
+ gras_dd_convert_elm(subsub_type,count*array_data.fixed_size,r_arch, l_data,l_data);
+ } else {
+ ptr = xbt_malloc(subsub_type->aligned_size[r_arch] * count*array_data.fixed_size);
+
+ gras_trp_recv(sock, (char*)ptr,
+ subsub_type->size[r_arch] * count*array_data.fixed_size);
+ if (r_arch != GRAS_THISARCH)
+ gras_dd_convert_elm(subsub_type,count*array_data.fixed_size,r_arch, ptr,l_data);
+ free(ptr);
+ }
+
+
+ } else {
+ /* not scalar content, get it recursively (may contain pointers) */
+ elm_size = sub_type->aligned_size[GRAS_THISARCH];
+ VERB2("Receive a %d-long array of %s",count, sub_type->name);
+
+ ptr = l_data;
+ for (cpt=0; cpt<count; cpt++) {
+ gras_datadesc_recv_rec(sock,state,refs, sub_type,
+ r_arch, NULL, 0, ptr,-1,
+ detect_cycle || sub_type->cycle);
+
+ ptr += elm_size;
+ }
+ }
+ break;
+ }
+
+ default:
+ xbt_die("Invalid type");
+ }
+
+ if (type->recv)
+ type->recv(type,state,l_data);
+
+ if (!strcmp(type->name,"string"))
+ VERB1("value: '%s'",*(char**)l_data);
}
/**
* gras_datadesc_recv:
*
- * Get an instance of the datatype described by @type from the @socket,
+ * Get an instance of the datatype described by @type from the @socket,
* and store a pointer to it in @dst
*
*/
void
-gras_datadesc_recv(gras_socket_t sock,
- gras_datadesc_type_t type,
- int r_arch,
- void *dst) {
-
- xbt_ex_t e;
- gras_cbps_t state; /* callback persistent state */
- xbt_dict_t refs; /* all references already sent */
-
- refs = xbt_dict_new();
- state = gras_cbps_new();
-
- xbt_assert0(type,"called with NULL type descriptor");
- TRY {
- gras_datadesc_recv_rec(sock, state, refs, type,
- r_arch, NULL, 0,
- (char *) dst,-1,
- type->cycle);
- } CLEANUP {
- xbt_dict_free(&refs);
- gras_cbps_free(&state);
- } CATCH(e) {
- RETHROW;
- }
+gras_datadesc_recv(gras_socket_t sock,
+ gras_datadesc_type_t type,
+ int r_arch,
+ void *dst) {
+
+ xbt_ex_t e;
+ static gras_cbps_t state=NULL; /* callback persistent state */
+ static xbt_dict_t refs=NULL; /* all references already sent */
+
+ if (!state) {
+ state = gras_cbps_new();
+ refs = xbt_dict_new();
+ }
+
+ xbt_assert0(type,"called with NULL type descriptor");
+ TRY {
+ gras_datadesc_recv_rec(sock, state, refs, type,
+ r_arch, NULL, 0,
+ (char *) dst,-1,
+ type->cycle);
+ } CLEANUP {
+ xbt_dict_reset(refs);
+ gras_cbps_reset(state);
+ } CATCH(e) {
+ RETHROW;
+ }
}
